CN201720479U - Air jets for drilling equipment - Google Patents
Air jets for drilling equipment Download PDFInfo
- Publication number
- CN201720479U CN201720479U CN2010201939531U CN201020193953U CN201720479U CN 201720479 U CN201720479 U CN 201720479U CN 2010201939531 U CN2010201939531 U CN 2010201939531U CN 201020193953 U CN201020193953 U CN 201020193953U CN 201720479 U CN201720479 U CN 201720479U
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- negative pressure
- drill
- pressure chamber
- air injection
- air
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- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 title claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 49
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 19
- 239000007924 injection Substances 0.000 claims 19
- 239000011521 glass Substances 0.000 claims 2
- 239000002985 plastic film Substances 0.000 claims 2
- 239000011120 plywood Substances 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 abstract description 9
- 230000006698 induction Effects 0.000 abstract 2
- 230000002000 scavenging effect Effects 0.000 abstract 1
- 239000012634 fragment Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 244000144992 flock Species 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling And Boring (AREA)
Abstract
The utility model relates to an air jet system of drilling equipment, contain one and can carry out the perforator of vertical displacement, and one locate the perforator bottom and can carry out the dust cage of vertical displacement, and the perforator bottom has a drill bit that extends to in the dust cage, this dust cage can push down and touch a glass fiber system offset plate, and release drill bit descends along with the drill hole ware, and make the drill bit drill hole drill in the inside offset plate that drills to the offset plate of dust cage, be equipped with an fumarole and an induction port on the inside perisporium of this dust cage, during this offset plate drilling, this fumarole can jet-blast to the axle center of drill bit, and the induction port can absorb and discharge the fumarole from the fiber piece of the offset plate that the drill bit blown off, with this promotion clastic scavenging capacity.
Description
Technical field
The utility model provides a kind of air jet system of rig, is drill and dust gathering arrester at the rig, particularly this rig of the glass fibre glue plate of printed circuit board (PCB) special use, and relates to the fumarole and the air entry of this dust gathering arrester.
Background technology
Printed circuit board (PCB) (PCB) must be provided with an insulation offset plate between each circuit board before carrying out multilayer pressing operation, the circuit so that isolated each circuit board surface is laid makes a plurality of circuit boards after being pressed into single circuit board, not the situation that can be short-circuited.In addition, above-mentioned offset plate is arranged at the practice between each circuit board, generally be a plurality of locating holes that mutual correspondence is set on circuit board and offset plate separately, and when offset plate is held between each circuit board, between the locating hole of the locating hole of offset plate and each circuit board, wear a rivet, so that carry out the pressing operation of subsequent conditioning circuit plate.
And know that a plurality of locating holes of above-mentioned offset plate are to use the mode machine-shaping of the drill bit of drill with Drilling traditionally; Yet, this offset plate generally is to adopt glass fibre and plastic material to synthesize, therefore in the process of Drilling locating hole, can produce a large amount of glass fibre chips, these chips very easily are mingled with, are stained with sticking in boring procedure and are wrapped between the flute and locating hole of drill lip, and the aperture of influence boring causes the bad problem of holing.
In the existing comparatively advanced technology, disclosed a kind of printing substrate processing machine that can when boring, remove chip synchronously, lift and announce I318148 patent case as TaiWan, China, form negative pressure between its axle and the presser feet, the chip that can attract boring to produce is extremely extraneous, and a plurality of squit holes below the presser feet can spray Compressed Gas to offset plate, to push down offset plate; Yet its shortcoming is, negative pressure between above-mentioned axle and the presser feet, limited to the suction that is entrained in the chip on the drill lip, particularly at the chip in the flute that is clamped in drill lip, be difficult to utilize negative pressure to be absorbed more, but this squit hole does not have the ability of removing drill lip and flute intraclast, and it is not good enough to cause its chip to remove ability, and the quality of influence boring.
In view of this, the design people had before applied for and had checked and approved in the TaiWan, China I322054 patent case of bulletin, also disclose a kind of drilling equipment that can remove chip when boring is synchronously arranged, its use gas blow pipe blows afloat the soft flocks on the interior drill lip of dust arrester, and uses air intake duct to draw and the interior soft flocks of eliminating dust arrester; Yet its shortcoming is, it does not spell out the position that the gas that can effectively accept gas blow pipe on the drill lip blows off chip, do not spell out gas blow pipe yet and can effectively remove the position that is provided with of chip on the drill lip, and with respect to the height and the angle of drill lip, so be difficult to effectively promote the removing ability of chip, need badly and improved.
Summary of the invention
The purpose of this utility model is to overcome in the above-mentioned background technology, only utilizes negative-pressure sucking, and indeterminate to the position of drill lip air blowing, and is difficult to effectively remove the problem that is attached to the glass fibre chip on the drill lip; During the boring of this offset plate, because fumarole can be jet to the axle center of drill lip, and air entry draws and discharges the fiber fragment of the offset plate that fumarole blows off from drill lip, promotes the removing ability of chip with this.
For realizing above-mentioned purpose, the air jet system of a rig of the present utility model, comprise a drill that can carry out vertical deviation, reach one and be located at the dust gathering arrester that vertical deviation also can be carried out in this drill bottom, form a negative pressure chamber in this dust gathering arrester, this drill bottom has a drill lip that extends in this negative pressure chamber, and the through hole of this negative pressure chamber of connection is formed on this dust gathering arrester bottom, this dust gathering arrester can touch an offset plate that adopts glass fibre to make to pressing down, and can discharge this drill lip with this drill decline, and this drill lip is holed to this offset plate by this through hole in this negative pressure chamber, wherein:
This negative pressure chamber's inside peripheral wall is provided with one can be to the jet fumarole in the axle center of this drill lip, and contiguous this negative pressure chamber bottom of this fumarole, and that this fumarole is accepted at the position that makes contiguous this through hole of this drill lip is jet, this negative pressure chamber's inwall and be provided with one can be to producing the air entry of negative-pressure sucking in this negative pressure chamber, and make this negative pressure chamber be negative pressure state, make this air entry draw and discharge the offset plate chip that this fumarole blows off from this drill lip.
Rely on said structure, this fumarole can be jet to the drill lip axle center with the height of adjacent through-holes; Because the fiber fragment that boring is produced is to enter in the negative pressure chamber via through hole, and drill lip has a flute of carrying the shape of cycloid in the shape of a spiral of this chip easily secretly, therefore the gas of fumarole ejection can blow off immediately and be entrained in chip on the drill lip, and flee up and down along flute, be clamped in the interior chip of flute and blow off, utilize air entry to siphon away chip immediately again,, and then promote the quality of holing with the removing ability of lifting to drill lip and flute intraclast.Wherein, described fumarole is positioned at the opposite end of this air entry, and the axle center of this drill lip causes fumarole that the chip on the drill lip directly is blown into towards the air entry direction between this fumarole and this air entry, draws and discharge the efficient of chip to promote air entry.
In addition, the air jet system of another kind of rig of the present utility model, comprise a drill that can carry out vertical deviation, reach one and be located at the dust gathering arrester that vertical deviation also can be carried out in this drill bottom, form a negative pressure chamber in this dust gathering arrester, this drill bottom has a drill lip that extends in this negative pressure chamber, and the through hole of this negative pressure chamber of connection is formed on this dust gathering arrester bottom, this dust gathering arrester can touch an offset plate that adopts glass fibre to make to pressing down, and can discharge this drill lip with this drill decline, and this drill lip is holed to this offset plate by this through hole in this negative pressure chamber, wherein:
This negative pressure chamber's inside peripheral wall equal intervals be equipped with a plurality of can be to the jet fumarole in the axle center of this drill lip, and the height that described fumarole is positioned on this negative pressure chamber's perisporium equates, and contiguous this negative pressure chamber bottom, and that described fumarole is accepted at the position that makes contiguous this through hole of this drill lip is jet, this negative pressure chamber's inwall and be provided with one can be to producing the air entry of negative-pressure sucking in this negative pressure chamber, and make this negative pressure chamber be negative pressure state, make this air entry draw and discharge the offset plate chip that described fumarole blows off from this drill lip.
Rely on said structure, with identical intensity, angle and highly jet, cause the average thrust of accepting the gas of described fumarole ejection of drill lip all around, impel described gas that the thrust of this drill lip is cancelled out each other this drill lip axle center via described fumarole; So, the utility model can utilize the gas compressing drill lip of described fumarole to keep the state that rotates along the axle center more, can contact offset plate surface moment in drill lip, set upright this drill lip jointly by the thrust of described gas and rotate, promote the drill lip contact offset plate stability of moment according to this along this axle center; Simultaneously, the gas of described fumarole ejection, also can blow off immediately is entrained in the chip that reaches on the drill lip in the flute, and utilizes air entry to siphon away chip immediately, with the removing ability of lifting to drill lip and flute intraclast, and then the quality of lifting boring.
In addition, the utility model also comprises:
Described drill bottom configuration one can drive the driver that this dust gathering arrester carries out vertical deviation.
Described dust gathering arrester is cylinder-shaped, and the port of this dust gathering arrester top formation one this negative pressure chamber of connection, and this dust gathering arrester is movably set in this drill bottom via this port, carries out vertical deviation and make control of dust cover in the drill bottom.
Described negative pressure chamber inwall is provided with the negative pressure detector that can detect the negative pressure value in the negative pressure chamber, with detecting and control air entry to producing the intensity of negative-pressure sucking in the negative pressure chamber.
The external high-pressure air feed unit of described fumarole, the supply pressure-air sprays towards this drill lip axle center from described fumarole.
The external negative pressure exhaust unit of described air entry, via this air entry to producing negative-pressure sucking in this negative pressure chamber.
Yet, for can be clearly and fully disclose the utility model, and give the legend of enumerating preferable enforcement, to describe its embodiment in detail as described later:
Description of drawings
Fig. 1 is the stereogram of the utility model first item embodiment;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the cut-away view of Fig. 2;
Fig. 4 is that cut-away view is amplified in the part of the dust gathering arrester of Fig. 3;
Fig. 5 is the user mode cut-away view of Fig. 3;
Fig. 6 is that cut-away view is amplified in the part of the dust gathering arrester of Fig. 5;
Fig. 7 is the user mode cut-away view of Fig. 6;
Fig. 8 is another user mode cut-away view of Fig. 3;
Fig. 9 is the cut-away view of second section of embodiment of the utility model;
Figure 10 is the A-A sectional drawing of Fig. 9;
Figure 11 is the additional enforcement kenel figure of Figure 10;
Figure 12 is the user mode cut-away view of Fig. 9.
Description of reference numerals: 1-bed platform; The 11-bolster; The 12-cushion cap; The 2-slide unit; 22-ball driving screw; The 23-motor; The 3-slide; The 31-driver; The 4-drill; The 5-dust gathering arrester; 50-negative pressure chamber; The 501-perisporium; The 503-bottom; 51-negative pressure detector; The 52-axle bush; The 521-through hole; 53,54,55,56,57-fumarole; 531,551, the jet path of 571-; The 58-air entry; The 59-port; The 6-drill bit; The 61-drill lip; The 62-flute; 7-high-pressure air feed unit; The 71-air supply pipe; 8-negative pressure exhaust unit; The 81-wireway; The 9-offset plate; The 91-locating hole.
The specific embodiment
First sight is shown in Figure 1, disclose the stereogram of the utility model first item embodiment, and cooperate Fig. 2 and Fig. 3 that the air jet system of rig of the present utility model is described, comprise drill 4 that cushion cap 12, a slide unit 2, a slide 3, that the bed platform 1, that can put the insulation offset plate 9 that a plurality of employing glass fibres make is horizontally placed on a platform 1 top can carry out vertical deviation, and one be located at drill 4 bottoms and can carry out the dust gathering arrester 5 of vertical deviation; This platform 1 bilateral splits a bolster 11, this cushion cap 12 is striden and is located between described bolster 11 tops, and slide unit 2 laterally is slidedly arranged on cushion cap 12 sides, and accepts the transmission of a ball driving screw and a motor on the cushion cap 12, and makes slide unit 2 carry out lateral displacement in bed platform 1 top; This slide 3 is vertical to be slidedly arranged on slide unit 2 sides, and accepts the transmission of a ball driving screw 22 and a motor 23 on the slide unit 2, and makes slide 3 carry out vertical deviation in slide unit 2 sides.
This drill 4 is located at (as shown in Figure 1 to Figure 3) on the slide 3, can carry out lateral displacement in bed platform 1 top along with slide unit 2, and can carry out vertical deviation (cooperating shown in Figure 5) in bed platform 1 top along with slide 3; This dust gathering arrester 5 can be cylinder-shaped, and forms a negative pressure chamber 50 (as shown in Figure 4) in dust gathering arrester 5, and dust gathering arrester 5 bottoms extend to form an axle bush 52 towards the below, and the central authorities of these dust gathering arrester 5 bottom axle bushes 52 also form a through hole 521 that is communicated with this negative pressure chamber 50; One port 59 that is communicated with negative pressure chamber 50 is formed on this dust gathering arrester 5 tops, and dust gathering arrester 5 is movably set in drill 4 bottoms via port 59, and makes dust gathering arrester 5 carry out vertical deviation in drill 4 bottoms; This drill 4 bottom interlockings one drill bit 6 has a drill lip 61 that extends in the negative pressure chamber 50.
This drill 4 bottoms configuration one can drive the driver 31 (as shown in Figures 1 and 2) that dust gathering arrester 5 carries out vertical deviation, and this driver 31 can be a cylinder in this enforcement, and driver 31 can repeat to be implemented on drill 4 bottom bilaterals; So, this driver 31 can drive dust gathering arrester 5 and move down, and making axle bush 52 press the offset plate 9 (as shown in Figure 5) that touches on the platform 1, this driver 31 also can discharge drill lip 61 with drill 4 declines (as shown in Figure 8), and drill lip 61 is holed by 521 pairs of offset plates 9 of through hole in negative pressure chamber 50.
According to above-mentioned, these negative pressure chamber's 50 inside peripheral wall 501 are provided with one can be to the jet fumarole 57 (as shown in Figure 4) of the center of rotation of drill lip 61, and the bottom 503 of the contiguous negative pressure chamber 50 of fumarole 57, and it is jet to make the position A of drill lip 61 adjacent through-holes 521 accept fumarole 57; These negative pressure chamber's 50 inwalls also are provided with the air entry 58 of a diameter greater than fumarole 57, can produce negative-pressure sucking to negative pressure chamber 50, and make negative pressure chamber 50 keep a negative pressure state, cause air entry 58 can draw and discharge offset plate 9 chips that fumarole 57 blows off on drill lip 61.
This fumarole 57 is positioned at the opposite end (as shown in Figure 4) of air entry 58, and the axle center that makes drill lip 61 is between fumarole 57 and air entry 58, cause fumarole 57 chip on the drill lip 61 directly can be blown into towards air entry 58 directions, draw and discharge the efficient of chip to promote air entry 58; These negative pressure chamber's 50 inwalls are provided with the negative pressure detector 51 that can detect the negative pressure value in the negative pressure chamber 50, to detect the intensity that produce negative-pressure suckings in 58 pairs of negative pressure chamber of this air entry 50.
This fumarole 57 is via an air supply pipe 71 external high-pressure air feed unit 7 (as shown in Figure 4), and this high-pressure air feed unit 7 can be an air compressor, can supply pressure-air and spray towards the drill lip 61 in the negative pressure chamber 50 from fumarole 57; This air entry 58 is via a wireway 81 external negative pressure exhaust unit 8, and this negative pressure exhaust unit 8 can be a negative pressure exhaust fan, can be via producing negative-pressure sucking in 58 pairs of negative pressure chamber of air entry 50; The negative pressure value of this negative pressure detector 51 in detecting negative pressure chamber 50 takes place when unusual, the negative pressure value that can adjust in the negative pressure chamber 50 by control negative pressure exhaust unit 8.
The composition that relies on above-mentioned member can be for implementing the utility model according to this, and implementation step is as follows:
1. a plurality of offset plates 9 repeatedly are placed on a platform 1 end face (as shown in Figure 3), and keyhole device 4 is moved to the top, position of 9 desire borings of offset plate.
2. keyhole device 4 moves down (as Fig. 5 and shown in Figure 6), cause axle bush 52 bottom surfaces of dust gathering arrester 5 to compress the position that offset plate 9 end faces institute desire is holed downwards, make dust gathering arrester 5 preset thrust magnitude to the offset plate 9 downward application of forces with one, with location offset plate 9, when this default thrust magnitude is offset plate 9 acceptance borings, can stablize the thrust magnitude of compacting offset plate 9, and through hole 521 can cover at the position of 9 desire borings of offset plate.
3. keyhole device 4 descends (as shown in Figures 7 and 8), and control described driver 31 (as shown in Figure 2) and slowly discharge drill lip 61 and descend with drill 4, and drill lip 61 is holed by the position that 521 pairs of offset plate 9 end faces of through hole institute desire is holed in negative pressure chamber 50 in; So, the speed and the driver 31 that descend via keyhole device 4 discharge the speed that drill lip 61 descends, should default thrust magnitude and 5 pairs of offset plates of dust gathering arrester 9 are kept.In boring procedure, be mingled with, be stained with sticking and be wrapped in a glass fibre chip in the flute 62 of cycloid shape in the shape of a spiral of drill lip 61 surfaces and drill lip 61, most of can be along with drill lip 61 rotates and enter in the negative pressure chamber 50 via through hole 521; This drill lip 61 slowly descends with drill 4 and bores seep through plate 9 gradually, and forms a locating hole 91 (as shown in figure 11) on described offset plate 9;
During boring (as shown in Figure 7), can the blow off axle center of drill lip 61 of the gas of this fumarole 57 ejections is positioned at the A surface, position of adjacent through-holes 521, and this gas can be fled up and down along flute 62, with the chip in the flute 62 that blows off, and blows afloat the chip that accumulates in the locating hole 91; Simultaneously, produce negative-pressure sucking in 58 pairs of negative pressure chamber of this air entry 50, be negative pressure state, cause the air entry 58 instant chips of drawing and discharging in the negative pressure chamber 50 to keep negative pressure chamber 50.
4. after finishing bore operation, move reset (as shown in Figure 3) on the keyhole device 4, and control dust gathering arrester 5 moves down and resets.
In view of the above, this fumarole 57 can be jet to drill lip 61 axle center with the height of adjacent through-holes 521; Because the fiber fragment that boring is produced is to enter in the negative pressure chamber 50 via through hole 521, and drill lip 61 has a flute 62 of carrying the shape of cycloid in the shape of a spiral of this chip easily secretly, therefore the gas of fumarole 57 ejections can blow off immediately and be entrained in chip on the drill lip 61, and flee up and down along flute 62, be clamped in chip in the flute 62 and blow off, utilize air entry 58 to siphon away chip immediately again,, and then promote the quality of holing with the removing ability of lifting to drill lip 61 and flute 62 intraclasts.
See also shown in Figure 9, disclose the cut-away view of second section of embodiment of the utility model, and cooperate Figure 10 illustrate these negative pressure chamber's 50 inside peripheral wall, 501 equal intervals be equipped with a plurality of can be to the jet fumarole 53,55,57 of the center of rotation of drill lip 61, and the height that described fumarole 53,55,57 is positioned on negative pressure chamber's 50 perisporiums 501 equates, and the bottom 503 of contiguous negative pressure chamber 50, and the position A that makes this drill lip 61 be positioned at negative pressure chamber's 50 adjacent through-holes 521 accepts described fumarole 53,55,57 jet (as shown in figure 12); Offering of described fumarole 53,55,57 can be odd number or even number, in this enforcement, can establish the odd number fumarole in negative pressure chamber's 50 inside peripheral wall, 501 equal intervals rings, can be three fumaroles 53,55,57 in fact; Described fumarole 53,55,57 respectively and between drill lip 61 axle center formation one jet path 531,551,571, and angle α, β between each jet path 531,551,571, γ equate, cause described fumarole 53,55,57 along the gas of jet path 531,551,571 ejections the thrust of drill lip 61 to be cancelled out each other.
So, the utility model can utilize described fumarole 53 more, 55,57 gas compressing drill lip 61 keeps along the state of axle center rotation, 9 surperficial moments (as shown in figure 12) of drill lip 61 contact offset plates in rotating, described fumarole 53,55, the position A that 57 lasting axle center towards drill lip 61 are positioned at adjacent through-holes 521 is jet, cause the described fumarole 53 of the average acceptance of position A of drill lip 61 all around, 55, the thrust (as shown in figure 10) of the gas of 57 ejections, impel described gas that the thrust of the position A of drill lip 61 is cancelled out each other, and oppress the state of the position A maintenance of drill lip 61 along the axle center rotation, and make the position of 9 desires borings of drill lip 61 accurate Drilling offset plates; In view of the above, drill lip 61 in can avoiding rotating rocks and beat in the 9 surface moment generations of contact offset plate, to promote the drill lip 61 contact offset plates stability of 9 moments, and further avoid drill lip 61 to depart from the position of offset plate 9 surperficial institutes desire boring, and it is bad to cause holing, particularly at the fine drill lip 61 than minor diameter of circuit boring special use, these fine drill lip 61 diameter smallers can reach about 0.1mm.
In boring procedure, the gas of described fumarole 53,55,57 ejections blow off jointly the A surface, position of drill lip 61 and the chip (as Figure 10 and shown in Figure 12) in the flute 62, and blow afloat the chip that accumulates in the locating hole 91; Simultaneously, produce negative-pressure sucking in 58 pairs of negative pressure chamber of air entry 50, cause the air entry 58 instant chips of drawing and discharging in the negative pressure chamber 50, all the other members are formed and embodiment system is equal to above-mentioned first item embodiment.Perhaps, on another is implemented, also can establish the even number fumarole in these negative pressure chamber's 50 inside peripheral wall, 501 equal intervals rings, can be 53,54 or four fumaroles 53,54,55,56 of two fumaroles (as shown in figure 11) in fact, the even number fumarole offer the position and effect is equal to above-mentioned odd number fumarole.
In view of the above, the gas of described fumarole 53,55,57 ejections, can blow off is entrained in fiber fragment in drill lip 61 and the flute 62, and utilizes air entry 58 immediately chip to be siphoned away, with the removing ability of lifting, and then promote the quality of holing to drill lip 61 and flute 62 intraclasts; In addition, described fumarole 53,55,57 is with identical intensity, angle and highly jet to drill lip 61 axle center, compressing drill lip 61 keeps along the state of axle center rotation, can be in 9 surface moments of drill lip 61 contact offset plates, relying on the thrust of the gas of described fumarole 53,55,57 ejections to set upright drill lip 61 jointly rotates along the axle center, and then the stability of 9 moments of the 61 contact offset plates of the fine drill lip in promote rotating, with the machining accuracy of further lifting boring.
More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201939531U CN201720479U (en) | 2010-05-17 | 2010-05-17 | Air jets for drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201939531U CN201720479U (en) | 2010-05-17 | 2010-05-17 | Air jets for drilling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201720479U true CN201720479U (en) | 2011-01-26 |
Family
ID=43488763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201939531U Expired - Fee Related CN201720479U (en) | 2010-05-17 | 2010-05-17 | Air jets for drilling equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN201720479U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107107131A (en) * | 2015-01-16 | 2017-08-29 | 洁福有限公司 | For the device of dust for keeping being produced by drilling operation and the method drilled using the holding meanss to wall |
| CN109551569A (en) * | 2018-12-20 | 2019-04-02 | 象山谢海家具有限公司 | Timber processing apparatus is used in furniture production |
| CN112122651A (en) * | 2020-09-19 | 2020-12-25 | 广州华创精密科技有限公司 | Punching forming equipment and punching forming process for high-precision PCB |
| CN115121838A (en) * | 2022-09-01 | 2022-09-30 | 苏州华纳精密模具有限公司 | Positioning and punching device for production and processing of injection mold |
-
2010
- 2010-05-17 CN CN2010201939531U patent/CN201720479U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107107131A (en) * | 2015-01-16 | 2017-08-29 | 洁福有限公司 | For the device of dust for keeping being produced by drilling operation and the method drilled using the holding meanss to wall |
| CN109551569A (en) * | 2018-12-20 | 2019-04-02 | 象山谢海家具有限公司 | Timber processing apparatus is used in furniture production |
| CN112122651A (en) * | 2020-09-19 | 2020-12-25 | 广州华创精密科技有限公司 | Punching forming equipment and punching forming process for high-precision PCB |
| CN115121838A (en) * | 2022-09-01 | 2022-09-30 | 苏州华纳精密模具有限公司 | Positioning and punching device for production and processing of injection mold |
| CN115121838B (en) * | 2022-09-01 | 2023-08-18 | 苏州华纳精密模具有限公司 | Positioning punching device for production and processing of injection mold |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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